Collect 40 stars
Visit the Crystal House
Visit the Stone Hut
Collect 30 stars
Complete the final level in any location
Collect 20 stars
Collect 10 stars
Visit the Icehouse
Complete the first level
Complete the final level in two locations
Complete 3 levels
Complete 6 levels
Complete 9 levels
Complete 12 levels
Complete 15 levels
Visit the Oceanarium